Alrighty this follower name is Jane and he is a standalone follower. Jane doesn't use a unique race to be a femboy. He uses fairskin, so any schlong you give him like trx futanari addon or erf futanari addon( which  automatically comes with the fairskin patch will appear seamless on his body( if you build the pp to his body). Anyway he uses a female body with no vagina obviously thanks to @donnerwetter no vagina mod. The benefits of this is that he will be able to use any type of female clothing